CN107615626B - The gas-drying apparatus of rotating electric machine - Google Patents
The gas-drying apparatus of rotating electric machine Download PDFInfo
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- CN107615626B CN107615626B CN201580080668.4A CN201580080668A CN107615626B CN 107615626 B CN107615626 B CN 107615626B CN 201580080668 A CN201580080668 A CN 201580080668A CN 107615626 B CN107615626 B CN 107615626B
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- drying tower
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/261—Drying gases or vapours by adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
- B01D53/0431—Beds with radial gas flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
- B01D53/0446—Means for feeding or distributing gases
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/10—Arrangements for cooling or ventilating by gaseous cooling medium flowing in closed circuit, a part of which is external to the machine casing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/26—Structural association of machines with devices for cleaning or drying cooling medium, e.g. with filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/104—Alumina
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2256/00—Main component in the product gas stream after treatment
- B01D2256/16—Hydrogen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/80—Water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40084—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by exchanging used adsorbents with fresh adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40088—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Drying Of Gases (AREA)
Abstract
Gas-drying apparatus (100) of the invention is the gas-drying apparatus (100) without heater-type to dehumidify to the hydrogen recycled inside rotating electric machine (6), comprising: makes the drying tower (1) of the moisture in desiccant (2) adsorbed hydrogen；And the funnelform desiccant maintaining part (13) for being configured at the inside of drying tower (1) and desiccant (2) being kept, desiccant (2) are put into from the investment valve (25) on drying tower (1) top to desiccant maintaining part (13), and the desiccant got wet (2) is discharged from the dump valve (26) of drying tower (1) lower part.Desiccant maintaining part (13) is made of the stamped metal etc. with aeration, and be used as by the inner part of drying tower (1) every demarcation plate.
Description
Technical field
The present invention relates to the gas-drying apparatus of rotating electric machine, by the moisture of the cooling gas recycled in the inside of rotating electric machine
Removal, to prevent the moisture condensation inside spin-ended rotating motor.
Background technique
In order to be cooled down to rotating electric machine, using the hydrogen_cooling mode for recycling hydrogen in rotating electric machine.Work as rotation
In the case that the hydrogen recycled in rotating motor includes moisture, the reason of condensing can be become, therefore, it is necessary to make gas-drying apparatus and rotation
Rotating motor connection, to dehumidify to hydrogen.Gas-drying apparatus (hydrogen dryer) is using in turn for being set to rotating electric machine
The pressure official post hydrogen that generates is towards recycling in gas-drying apparatus under the action of the fan of son.In addition, gas-drying apparatus passes through filling
Desiccant inside the drying tower of gas-drying apparatus operates to be removed the dehumidifying of the moisture of hydrogen.One is siphoned away in desiccant
In the case where moisture more than fixed, the connecting pipings between gas-drying apparatus and rotating electric machine is closed, starting is set to drying tower
Internal electric heater heats to from the air for being set to external air blower importing drying tower, the air after heating is sent
Enter desiccant, to remove the moisture of desiccant.
In addition, there is also will while being heated using electric heater as shown in multiple existing technical literatures
It is evacuated inside drying tower, to remove the gas-drying apparatus of the moisture of desiccant (for example, referring to patent document 1, patent text
Offer 2, patent document 3).
However, the gas-drying apparatus of existing rotating electric machine is configured to, keep shape desiccant being configured in drying tower
State switches over the valve of piping, to heat to desiccant, and moisture is discharged towards the outside.
Existing technical literature
Patent document
Patent document 1: Japanese Patent Laid-Open No. Sho 61-54841 bulletin
Patent document 2: Japanese Patent Laid-Open No. Sho 64-77445 bulletin
Patent document 3: Japanese Patent Laid-Open 8-331808 bulletin
Summary of the invention
The technical problems to be solved by the invention
In existing mode, dehumidified by the heating of electric heater to desiccant.However, in gas-drying apparatus
Hydrogen dehumidify operating when, be in the state filled up by hydrogen for the inside of the drying tower of desiccant configuration.Thus, to drying
When the heater that agent dehumidifies heats operating, needs for hydrogen to be discharged from the inside of drying tower, take in relation to explosion-proof measure.
In addition, as explosion precaution, for example, so that the opening and closing moment of isolating valve be staggered and occur that hydrogen not with the heater after heating
The mode of contact is operated, and is purged by inert gas to the hydrogen for remaining on drying tower, or will dry
The processing such as be evacuated in tower.Although existing in addition, control is complicated there is also the technology for automating the handover operation of valve
The problem of needing a large amount of labours to safeguard.
In addition, as bigger problem, report has makes hydrogen in drying tower via sending because operating linkage type switching valve
Wind device flows out to outside, and the example of fire accident then occurs.
In addition, needing in order to which the gas-drying apparatus for carrying out hydrogen dehumidifying is set to explosion-proof specified region by electrical component
All using the special explosion-proof product of hydrogen, and needing to form will not make hydrogen flow out to external structure, circuit structure.
As a result, there is the danger that explosion or fire occurs in the existing gas-drying apparatus for having used heater, and towards explosion-proof
The setting in specified region is more difficult.
The present invention makees to solve above-mentioned technical problem, it is intended that providing a kind of elimination occurs explosion or fire danger
The gas-drying apparatus of rotating electric machine dangerous, without heater structure.
Technical scheme applied to solve the technical problem
The gas-drying apparatus of rotating electric machine of the invention includes: drying tower, and above-mentioned drying tower will be in the inside of rotating electric machine
The hydrogen of circulation imports, and makes the moisture in desiccant adsorbed hydrogen；Funnelform desiccant maintaining part, above-mentioned desiccant are kept
Portion is configured at the inside of above-mentioned drying tower, and keeps to above-mentioned desiccant；Valve is put into, above-mentioned investment valve is set to above-mentioned drying
The top of tower, and above-mentioned desiccant is put into above-mentioned desiccant maintaining part；And dump valve, above-mentioned dump valve are set to above-mentioned drying
The lower part of tower, and above-mentioned desiccant is expelled to outside, above-mentioned desiccant maintaining part is formed by the component with aeration.
In addition, the gas-drying apparatus of rotating electric machine of the invention includes: drying tower, above-mentioned drying tower will be in rotating electric machine
The hydrogen of inside circulation imports, and makes the moisture in desiccant adsorbed hydrogen；Cover, the cover can be openedly and closedly set to
The top of the drying tower；And desiccant with handles keeps container, above-mentioned desiccant keeps container to be configured at above-mentioned drying
The inside of tower, and above-mentioned desiccant is kept, the above-mentioned desiccant holding that can be taken out, be put into from the top of the drying tower
Container is formed by the component with aeration.
Invention effect
The gas-drying apparatus of rotating electric machine according to the present invention, due to can be from the top of drying tower to being configured in drying tower
Desiccant maintaining part investment it is dry after desiccant, and can be after desiccant moisture absorption in the case where, open the discharge of drying tower
Valve is simultaneously discharged by the self gravity of desiccant, therefore, can be easy to carry out in drying tower in the case where not using heater
Desiccant replacement.
In addition, the gas-drying apparatus of rotating electric machine according to the present invention, can open the cover set on drying tower top, and grasp
It taken out as handle, be put into the desiccant maintaining part with handles kept to desiccant, therefore, even if not using heater
Also the replacement of desiccant can be easy to carry out.
According to the detailed description of the invention that below with reference to attached drawing is done, can further clarify of the invention in addition to above-mentioned
Except purpose, feature, viewpoint and effect.
Detailed description of the invention
Fig. 1 be include embodiment of the present invention 1 rotating electric machine gas-drying apparatus system diagram.
Fig. 2 is the side cross-sectional view of the major part of the drying tower of the gas-drying apparatus of embodiment of the present invention 1.
Fig. 3 is the sectional view of the desiccant maintaining part of embodiment of the present invention 1.
Fig. 4 is the side cross-sectional view of the major part of the drying tower of the gas-drying apparatus of embodiment of the present invention 2.
Fig. 5 is the sectional view of the desiccant maintaining part of embodiment of the present invention 2.
Fig. 6 is the side cross-sectional view of the major part of the drying tower of the gas-drying apparatus of embodiment of the present invention 3.
Fig. 7 is the sectional view of the desiccant maintaining part of embodiment of the present invention 3.
Fig. 8 is the side cross-sectional view of the major part of the drying tower of the gas-drying apparatus of embodiment of the present invention 4.
Fig. 9 is arranged in the sectional view of the empty component inside the drying tower of embodiment of the present invention 4.
Figure 10 is the side cross-sectional view of the major part of the drying tower of the gas-drying apparatus of embodiment of the present invention 5.
Figure 11 is the explanatory diagram for indicating the circulation of the hydrogen inside the drying tower of embodiment of the present invention 5.
Figure 12 is the side cross-sectional view of the major part of the drying tower of the gas-drying apparatus of embodiment of the present invention 6.
Figure 13 is the top view and sectional view of the desiccant maintaining part of embodiment of the present invention 6.
Specific embodiment
Embodiment 1.
Hereinafter, being illustrated referring to figs. 1 to gas-drying apparatus of the Fig. 3 to the rotating electric machine of embodiment of the present invention 1.Fig. 1
Be include rotating electric machine 6 gas-drying apparatus 100 system diagram.It is configured in Fig. 1, what is recycled in rotating electric machine 6 includes
The hydrogen of moisture imports gas-drying apparatus 100 via piping, and moisture is back to rotating electric machine 6 after being removed.
As shown in Figure 1, the gas-drying apparatus 100 of present embodiment 1 is formed as not wrapping in the system of gas-drying apparatus 100
Include the heater that desiccant 2 is heated, without heater structure.In addition, gas-drying apparatus 100 of the invention uses, beat
The valve for opening the lower part of drying tower 1 will become 2 rows of desiccant such as the activated alumina of saturation state after the moisture in adsorbed hydrogen
Out, the valve for then opening the top of drying tower 1 replaces other desiccant 2 after drying to the full dose put into inside drying tower 1
Mode.
As shown in Figure 1, the gas-drying apparatus 100 of embodiment 1 is filled out when hydrogen dehumidifies and operates in the inside of drying tower 1
Filled with desiccant 2, and make the moisture of 2 adsorbed hydrogen of desiccant to dehumidify to hydrogen.It is configured to, hydrogen passes through with rotation
The work of motor 6 and the pressure difference generated inside rotating electric machine 6, and recycled towards gas-drying apparatus 100.
When replacing desiccant 2, make rotating electric machine 6 and the live supply valve 7 as isolating valve, scene return to valve 8
It is separated with gas-drying apparatus 100.
Gas-drying apparatus 100 is formed as drying tower 1 being set as major part, in addition to this further includes the indifferent gas of purging
The structure of body bottle 20 etc..In addition, release pipe 10 is equipped with, so that gas is from gas-drying apparatus 100 or rotating electric machine 6 to external (room
It discharges outside).
Configured with the funnelform desiccant maintaining part 13 kept to desiccant 2 in drying tower 1.In addition, above-mentioned
Desiccant maintaining part 13 as major part, to desiccant 2 supported cone face by with aeration
Ventilating board, such as stamped metal are formed.In addition, desiccant maintaining part 13 plays the effect for the demarcation plate being inserted into drying tower 1,
It will be divided into the region accumulated to desiccant 2 in tower by separating and import the aerated area of hydrogen to desiccant 2.
Here, being divided into three regions inside drying tower 1 when hydrogen dehumidifies and operates.Three regions refer to, are configured with
The region of desiccant 2 receives the hydrogen got wet and conveys the aerated area (space) of hydrogen, for across desiccant 2 towards desiccant 2
Drying after the aerated area (space) sent of hydrogen.
In addition, hydrogen inlet pipe 14 is the piping that the hydrogen for making to get wet is flowed into from rotating electric machine 6 to drying tower 1, hydrogen goes out
Mouth pipe 15 is the piping for making the hydrogen outflow by drying tower 1 after dry, is finally connect with rotating electric machine 6.
Supply valve 16 is configured to, is configured to improve safety set on the valve of hydrogen inlet pipe 14 in drier
Between live supply valve 7 and drying tower 1, can by supply valve 16 in live supply valve 7 and above-mentioned drier by rotating electric machine 6 with
The isolation of 100 two-stage of gas-drying apparatus.In addition, drier in return valve 17 be configured at hydrogen outlet pipe 15 scene return valve 8 with
Between drying tower 1, it can be returned by scene in valve 8 and drier and return to valve 17 for rotating electric machine 6 and 100 liang of gas-drying apparatus
Grade isolation.
The drought index agent container 18 connecting with hydrogen outlet pipe 15 is to form and aspect according to the hydrogen flowed out from drying tower 1
Amount of moisture and container that changed drought index agent is stored, and be that be set to 1 outlet side of drying tower dry to grasp
The component of the moisture absorption degree of drying prescription 2.
The pressure gauge 19 connecting with hydrogen inlet pipe 14 measures the Hydrogen Vapor Pressure in gas-drying apparatus 100.
Inert gas bottle 20 be from inert gas supply pipe 21 pass through inert gas supply valve 22 supplied into drying tower 1 it is lazy
Property gas bottle, the hydrogen remained in drying tower 1 can be driven out of to purge by supplied inert gas.
Here, the purging configured outward from gas-drying apparatus 100 is connect with piping 23 with release pipe 10.Purging piping 23
Be by drying tower 1 hydrogen discharge to reduce pressure in the case where and when being purged to the hydrogen in drying tower 1, in order to
The piping that the mixed gas of hydrogen and inert gas is discharged from release pipe 10 to outside room and is connected.Purging can be passed through with piping 23
Blow down valve 24a, 24b of two-stage will be isolated between gas-drying apparatus 100 and the open end of release pipe 10.
In addition, as carrying out purging used inert gas carbonic acid gas or nitrogen can be used, due to these gas
Body is easy to get and cheap, therefore, is suitable for using.
In addition, investment valve 25 (upper ball valve) is equipped on the top of the drying tower 1 of gas-drying apparatus 100, by above-mentioned investment
Valve 25 is opened, and is put into drying tower 1 so as to the desiccant 2 after drying.In addition, being equipped with discharge in the lower part of drying tower 1
Valve 26 (lower ball valve) opens above-mentioned dump valve 26, so as to make the desiccant 2 got wet fall naturally by self gravity
It is discharged to the outside.
Here, being configured to be equipped with sealing flange 27a in investment valve 25, sealing flange 27b is installed in dump valve 26, from
And improve the reliability for preventing hydrogen from leaking from drying tower 1.
In addition, the gas release valve 28 of rotating electric machine 6 connects in a manner of not via gas-drying apparatus 100 with release pipe 10
It connects.
Then, the movement of the gas-drying apparatus 100 of rotating electric machine 6 is illustrated.Cooling gas as rotating electric machine 6
Hydrogen recycled in rotating electric machine 6, with to being cooled down in rotating electric machine 6.It is residual when in hydrogen containing assembling rotating electric machine 6
It stays in the moisture in rotating electric machine 6 and from for by the moisture of the enclosed Seal Oil of the hydrogen in rotating electric machine 6 etc..In hydrogen
In be mixed into moisture be make rotating electric machine 6 efficiency reduce the reason of.Thus, by the way that drying tower 1 is connected to rotation using piping
Motor 6, so that hydrogen recycles in drying tower 1, to be removed the moisture in hydrogen by the desiccant 2 in drying tower 1.
By gas-drying apparatus 100 formed as described above, to dehumidify to the hydrogen recycled in rotating electric machine 6
Hydrogen dehumidifying operating (dry operating) proceed as follows.
The hydrogen got wet sent out from rotating electric machine 6 passes through live supply valve 7 and hydrogen inlet pipe 14 flows into drying tower 1
Inside, and supplied from the lower part of above-mentioned drying tower 1, it is then flowed upward in drying tower 1, to pass through desiccant 2 on one side
The gap of particle be dehumidified, flow to 15 side of hydrogen outlet pipe on one side.Hydrogen warp after flowing to the drying of the outlet side of drying tower 1
Valve 8 is returned to by scene and returns to rotating electric machine 6.
In above-mentioned dry operating, hydrogen follows in the path being isolated with release pipe 10 and aftermentioned inert gas bottle 20
Ring.
If desiccant 2, which absorbs moisture, becomes saturation state, the form and aspect of drought index agent container 18 will appear variation.It is above-mentioned
The variation of form and aspect becomes signal at the time of informing replacement desiccant 2.The replacement of desiccant 2 is by by the desiccant after moisture absorption
2 are discharged from drying tower 1, replace progress then to the full dose of desiccant 2 as desiccant 2 of the investment of drying tower 1 after dry
's.Therefore, when replacing desiccant, in order to prevent hydrogen to the importing of drying tower 1, the inlet circuit of drying tower 1 will be set to
Supply valve 16, return valve 17 pass in the scene return valve 8 and drier of outlet loop in live supply valve 7 and drier
It closes, to drying tower 1 is isolated with rotating electric machine 6, temporarily to stop hydrogen dehumidifying.
Then, in order to take out the hydrogen in gas-drying apparatus 100 and reduce pressure, blow down valve 24a, 24b are opened, and
Confirmation pressure gauge 19 is designated as 0.Then, by the container value of inert gas bottle 20 is opened slightly with by inert gas from lazy
Property gas supply pipe 21 via inert gas supply valve 22 import drying tower 1 in, and by the hydrogen in drying tower 1 from release pipe 10
It is discharged into outside room via blow down valve 24a, purging with piping 23, blow down valve 24b, to be purged.When the supply of inert gas
Between be set as 3 minutes~5 minutes or so, if time-out is gone, by the container value of inert gas bottle 20 and inert gas supply valve
22 close, to stop supplying inert gas.
Then, implement operation below, the replacement of agent 2 is dried.20 liters or so of container is set to dump valve
26 downstreams, and sealing flange 27b is removed.Then, dump valve 26 is set as standard-sized sheet, confirms that the desiccant 2 got wet is fallen naturally
And it falls into container.In addition, dump valve 26 is closed, and installs same as before if 2 full dose of desiccant in drying tower 1 is discharged
Sealing flange 27b.
Then, the sealing flange 27a on the top of drying tower 1 is removed, and in advance opens investment valve 25.It will be used to add
The fixture (such as loading hopper etc.) of new desiccant 2 (desiccant after dry) is installed on investment 25 upstream of valve, and passes through fixture
To the new desiccant 2 of the inside input requirement of drying tower 1.After having put into the desiccant 2 of specified amount, removes fixture and will throw
Enter the closing of valve 25, sealing flange 27a is installed, so that the full dose of desiccant 2 be maintained to replace.Then, it is set by blow down valve 24a, 24b
After fully closed, valve 17, live supply valve 7 and scene will be returned in supply valve 16 in drier, drier return to valve 8 and be set as complete
It opens, so that rotating electric machine 6 be made to connect with gas-drying apparatus 100, starts again at the dehumidifying of hydrogen.
For standard, it is above-mentioned until the operation that starts again at of hydrogen dehumidifying there is no problem.However, enclosed new
Desiccant 2 when, how much can have air in drying tower 1.Thus, in order to avoid remain on air inside drying tower 1 with
Hydrogen mixing in rotating electric machine 6, the dehumidifying of hydrogen is started again at by operation below.
That is, being set after putting into new desiccant 2 by valve 17 is returned in supply valve 16 in drier and drier
Before standard-sized sheet, inert gas is supplied into drying tower 1 from inert gas bottle 20 and air is purged, to become by lazy
Property gas fills up the state inside drying tower 1.It, will be in drier after the air that will remain in drying tower 1 completes purging
Valve 17, live supply valve 7 and scene return valve 8 are returned in supply valve 16, drier and is set as standard-sized sheet, in this way, even if from electric rotating
The hydrogen that machine 6 supplies is imported into drying tower 1, and air will not remain in drying tower 1, generates air and hydrogen to be avoided that
The mixed gas of gas, and rotating electric machine 6 can be made safely to work.
In addition, the activation again for the desiccant 2 got wet being discharged from drying tower 1 is not necessarily near rotating electric machine 6
Carry out, can in the state that desiccant 2 is packed into container, transport to except the explosion-proof specified region separated by a distance of rotating electric machine 6
Place and carry out.In addition, to the desiccant 2 got wet can heat etc. to go in the case where not having to consider explosion-proof environment
Moisture removal, then the desiccant 2 that activates can put into drying tower 1 again and be used for the dehumidifying of hydrogen, and this point is from need not say.
As described above, in present embodiment 1, in order to which the full dose for the drying tower 2 being successfully dried in tower 1 is replaced,
The shape of the desiccant maintaining part 13 kept to desiccant 2 is set as funnel-form.Such as the gas-drying apparatus 100 in Fig. 2
It is cylindrical shape and longitudinally disposed in the drying tower 1 of configuration desiccant 2 shown in the major part side cross-sectional view of drying tower 1
In the case where, funnelform desiccant maintaining part 13, the maximum upper end of diameter contacts in the inner wall complete cycle with drying tower 1
State.Furthermore it is configured to, even if since the investment of desiccant 2 is filled the inside of the cone of desiccant maintaining part 13,
More very it, desiccant 2 in protuberance state be deposited in desiccant maintaining part 13, desiccant 2 will not be from the upper of funnel shaped
The end downward side leakage of peripheral part goes out.
In addition, the component for constituting desiccant maintaining part 13 is the ventilating board with aeration, impedance of for example divulging information can be used
For 50% or so stamped metal.
As shown in the sectional view of the desiccant maintaining part 13 in Fig. 3, by being formed as funnelform stamped metal 13a and right
The holding cylinder 13b that the lower part of above-mentioned stamped metal 13a is kept constitutes desiccant maintaining part 13.Desiccant maintaining part 13 is for example
By the way that holding cylinder 13b to be fixed on to the lower end of drying tower 1 to engaging in drying tower 1.
In addition, desiccant maintaining part 13 can for example be used standing on the inside of drying tower 1.
In addition, being configured to desiccant 2 as shown in Figure 2 is filled in the conical portion i.e. entire inside of stamped metal 13,
And desiccant 2 extends to the whole cross section of the inner cylinder of drying tower 1.Thus, hydrogen is mobile from the lower to upper part of drying tower 1
When, the dehumidifying of hydrogen can be efficiently carried out across the particle of desiccant 2.
Here, the granular desiccant 2 for being held in desiccant maintaining part 13, which passes through, is equivalent to leakage when replacing desiccant 2
In the holding cylinder 13b of the center sprue part of bucket, and falls downwards and be discharged naturally from the dump valve of drying tower 1 26, because
And agent replacement operation can successfully be dried in the case where not using special stage property.
In addition, when the operating condition to gas-drying apparatus 100 switches over, in order to avoid hydrogen is let out because of the switching of valve
It drains in ambient atmosphere, using the hydrogen in drying tower 1 can be discharged, and the loop structure purged by inert gas,
Or two-stage valve etc. is set in piping, form highly-safe gas-drying apparatus 100.
Further, since for not being configured in gas-drying apparatus 100 to the heater that desiccant 2 dehumidifies, therefore,
It can ensure that safety, being especially able to satisfy becomes condition restricting, being arranged to explosion-proof specified region on other countries' law.
In addition, in the above example, the shape for instantiating drying tower 1 is cylindric, the punching press of desiccant maintaining part 13
Metal 13a is cone, but the shape such as the polygon cylinder that the shape of drying tower 1 can also be set as except cylinder also can therewith
The shape etc. that stamped metal 13a is formed as to polygonal pyramid, is deformed.Even if the case where the shape of drying tower 1 changes
Under, by changing the shape of desiccant maintaining part 13 correspondingly, equally also desiccant maintaining part 13 can be used as demarcation plate,
This point is from need not say.
In addition, protrusion or recess portion can be locally arranged in the face of cone in funnelform stamped metal 13a, to expand
Surface area.Due to that can divulge information from the opening portion of stamped metal 13a entire surface, surface area increases, and air permeability also improves.This
Outside, the protrusion of strip or recess portion are set to the part for needing to reinforce, are also effective increasing intensity this aspect.
In addition, the cross sectional shape of the funnelform stamped metal 13a for the desiccant maintaining part 13 that Fig. 3 is illustrated is the shape of straight line
Shape, but for example, also can using inner wall towards desiccant 2 discharge direction sharp inclined curve shape section etc., there is no harm in
In the range of hindering desiccant 2 to be discharged, the structure for promoting desiccant 2 to be discharged also can be deformed into.
Embodiment 2.
Then, embodiments of the present invention 2 are illustrated using Fig. 4 and Fig. 5.In above embodiment 1, instantiate
Such as use the stamped metal 13a of aperture opening ratio about 50% using dry inside drying tower 1 for desiccant 2 to be held in as being constituted
The case where drying prescription maintaining part 13, component (ventilating board) with aeration.However, in present embodiment 2, to following situation
, as shown in the major part side cross-sectional view of the drying tower 1 in Fig. 4 it is illustrated, i.e., is kept to further decrease desiccant
The ventilation impedance in portion 13, the wire mesh 13c (reticular component) for using aperture opening ratio bigger than stamped metal 13a is as ventilating board.
As shown in Figure 4, Figure 5, the composition for being used as desiccant maintaining part 13 by the way that funnelform wire mesh 13c will be shaped to
Component so as to keep the case where draught area ratio is using stamped metal 13a bigger, and can reduce ventilation impedance.Thus, pass through by
Wire mesh is shaped to coniform and keeps to desiccant 2, can increase the hydrogen for flowing into drying tower 1 as a result, can get
The effect of gas and time needed for can be shortened the dehumidifying of rotating electric machine 6.
In addition, not interfering ventilation or desiccant 2 to be reinforced to wire mesh 13c and beam is locally arranged etc.
It is also effective that reinforcer is configured in the range of discharge.
Embodiment 3.
Then, embodiment of the present invention 3 is illustrated using Fig. 6 and Fig. 7.In above embodiment 1 and embodiment 2
In, as keeping method of the desiccant 2 in drying tower 1, shows independent (single layer) and use stamped metal or wire mesh simultaneously
It is shaped to the example of the shapes such as coniform.Here, in present embodiment 3, such as the major part sectional side of the drying tower 1 of Fig. 6
Shown in the sectional view of the desiccant maintaining part 13 of view, Fig. 7, use overlapped metal silk screen on stamped metal 13a is instantiated
The funnel shaped portion 13d of double-layer structure made of 13c, the case where to form desiccant maintaining part 13.
Here, stamped metal 13a has the advantages that intensity when can fully ensure to form container.In addition, wire mesh
13c has the following advantages that, by using the grid smaller than the particle of desiccant 2, so that the particle of desiccant 2 will not hang over opening
Partially (grid), if dump valve 26 is opened, granular desiccant 2 can be along with the discharge of the desiccant 2 of lower section and in gold
It flows down with belonging to the surface smoothness of net, therefore can be smoothly discharged out.
As a result, by being formed as funnel shaped portion 13d using stamped metal 13a as outside as present embodiment 3, with
Wire mesh 13c is the double-layer structure of inside, the advantages of so as to play both stamped metal 13a and wire mesh 13c.
In addition, in the funnel shaped portion 13d of double-layer structure, it can be appropriate between stamped metal 13a and wire mesh 13c
It gap needed for ground forms ventilation can essence compared with the case where desiccant 2 is directly filled in the inside of stamped metal 13a
Property improve the drafting efficiency of desiccant maintaining part 13, and can improve hydrogen dehumidifying operating efficiency.
Embodiment 4.
Then, embodiment 4 is illustrated using Fig. 8 and Fig. 9.In above embodiment 1 into embodiment 3, show
Desiccant 2 is gone out and the situation in desiccant maintaining part 13 is deposited in the state fallen naturally when putting into drying tower 1.However,
In the above-described state, the desiccant 2 of accumulation is filled in cone portion directed downwardly, and the central portion of desiccant 2 can become
The state being raised slightly, desiccant 2 is bigger closer to the accumulating amount of the central portion then desiccant 2 of drying tower 1, closer to drying
Then accumulating amount is smaller for the inner wall of tower 1.In the case where the stacking states of this unbalanced desiccant 2, the ventilation state of hydrogen
Sometimes can also become unbalanced.
Thus, in present embodiment 4, to by keeping the thickness for the desiccant 2 being piled up in desiccant maintaining part 13 equal
It homogenizes, so that the case where improving the dehumidification efficiency of hydrogen is illustrated.Fig. 8 is to indicate the accumulating amount of desiccant 2 homogenizing institute
The empty container 29 needed is configured at the major part side cross-sectional view of the drying tower 1 of the state inside drying tower 1.Empty container 29
The inside of drying tower 1 is held in by support plate 30.
In addition, empty container 29 can for example be used standing on the inside of drying tower 1.
As shown in the illustration of the sectional view of the hollow hole container 29 of Fig. 9, empty container 29 is by the plate with aeration
Shape component is formed as what hollow mode was formed, be by lower section downward side cone form 29c outstanding, along axial direction in circular cone
The cylindrical portion 29a that is connected in the outer circumference end of shape portion 29c and further it is connected with the upper end of cylindrical portion 29a and towards overcentre
The shape that the upper surface part 29b of cone outstanding is composed.Upper surface part 29b is prominent in the central portion mode higher than peripheral part
It is formed out.
Here, empty container 29 is between the cone form 29c of empty container 29 and the inner wall of desiccant maintaining part 13
The fixed mode of distance the inside of drying tower 1 is held in by support plate 30.
In the case where putting into desiccant 2 to drying tower 1, as shown in figure 8, what is put into from the center upper portion of drying tower 1 is dry
Drying prescription 2 is from the central portion outstanding of the upper surface part 29b of empty container 29 to peripheral part, and the inclination along upper surface part 29b is towards arrow
Labeling head direction flows down, and flows to around empty container 29, to be accommodated in the inside of desiccant maintaining part 13.Here, pass through by
The distance between the cone form 29c of empty container 29 and the inner wall of desiccant maintaining part 13 are set as fixed, so as in sky
The desiccant 2 of fixed thickness is accumulated between hole container 29 and desiccant maintaining part 13, and the stacking states of desiccant 2 can be improved
It is uneven.
Along with the thickness for the desiccant 2 for making to be piled up in 13 inside of desiccant maintaining part become uniform and in the case where putting into valve 25
It is configured with empty container 29 at the region of 2 accumulation of thick of desiccant in square portion, therefore, even if can putting into after desiccant 2
Ensure cavity in the inside of empty container 29.Cavity inside above-mentioned cavity container 29 becomes the aerated area for passing through hydrogen,
The air permeability of the entire ventilation face of desiccant maintaining part 13 can be made uniform, thus, the hydrogen that whole desiccant 2 can be made and got wet
Gas equably contacts, and can improve dehumidification efficiency.
Embodiment 5.
Then, embodiment of the present invention 5 is illustrated using Figure 10, Figure 11.In above embodiment 1 to embodiment
In 4, flow into drying tower 1 inside hydrogen along straight line drying tower 1 internal flow.Due to the hydrogen in inflow drying tower 1
Flow velocity is the high speed of 10m/s or so, therefore, blows to the intensity of the hydrogen stream of the conical surface of desiccant maintaining part 13 sometimes
It generates uneven.
It flows into 1 inside of drying tower and is held in the desiccant 2 of 13 inside of desiccant maintaining part in the area contacted with hydrogen stream
A large amount of moisture can be absorbed in domain at once, but slack-off positioned at the moisture absorption that hydrogen stream is not easy the desiccant 2 at the region contacted,
To which sucting wet state can become unbalanced.In order to improve above situation, such as the major part side cross-sectional view of the drying tower 1 of Figure 10
Shown, the modes such as the direction bending of the blow-off outlet 14a of the front end of hydrogen inlet pipe 14 will be installed on by, which being configured to, is adjusted, from
And the circumferential direction of the direction of hydrogen stream and the inner wall of columnar drying tower 1 is made to become the same direction.
The axial cross-sectional view being shown in FIG. 11 along drying tower 1 is flowed into as shown in the loop direction of hydrogen by making
The hydrogen stream of drying tower 1 along the desiccant maintaining part 13 of cone circumferencial direction flowing, to make the hydrogen be in drying tower 1
Be vortexed the flowing of (spiral) shape, can make the uniform in size of the hydrogen stream for blowing to entire conical 13 surface of desiccant maintaining part.In addition,
15 side of hydrogen outlet pipe that 1 top of drying tower is flowed to across the hydrogen of the layer of desiccant 2 in homogeneous thickness can make hydrogen and own
Desiccant 2 is uniformly in contact with as a result, dehumidification efficiency can be improved.
Embodiment 6.
Then, embodiment of the present invention 6 is illustrated using Figure 12, Figure 13.In above embodiment 1 to embodiment
Shown in 5 the upper and lower investment valve 25 by drying tower 1, dump valve 26 to drying tower 1 replace desiccant 2 the case where.At this
In embodiment 6, as shown in the major part side cross-sectional view of the drying tower 1 of Figure 12, configure in the inside of drying tower 1 to drying
The desiccant with handles that agent 2 is kept keeps container 31 (the desiccant maintaining part of scraper bowl shape), is done by opening to be set to
The cover 1a on dry 1 top of tower, and container 31 will be kept to take out, be put into the desiccant with handles that desiccant 2 is kept, from
And the replacement of agent 2 is dried.
If in Figure 13 desiccant keep container 31 top view and sectional view shown in, desiccant keep container 31 for example by
The bottom surface sections of the main part 31a, the lower end main part 31a that are arranged along the inner wall of drying tower 1 formed by the component with aeration
31b and the handle portion 31c for being installed on the top main part 31a are constituted.The bottom surface sections 31b of container 31, energy are kept as desiccant
Use such as stamped metal etc..
As shown in figure 12, above-mentioned desiccant with handles keeps container 31 to be fixed on 1 inner wall of drying tower by being positioned in
On side plate 32, so as to be set to inside drying tower 1.Above-mentioned side plate 32 is the bottom surface sections 31b that container 31 is kept to desiccant
The component that edge is supported is configured to not interfere the ventilation of hydrogen.
In this way, being opened by the cover 1a that will be set to 1 top of drying tower, desiccant holding container 31 is taken out, is put into, from
And full dose replacement can be carried out the desiccant 2 after moisture absorption to be accommodated in the state that desiccant keeps container 31, so as to improve
Operability.
Specifically, in the case where keeping container 31 to work using a desiccant, by keeping container from desiccant
The desiccant got wet is taken out in 31, then, keeps container 31 to be put into new desiccant 2 to empty desiccant, and desiccant is protected
It holds container 31 and puts back to drying tower 1, so as to which the full dose replacement of agent 2 is dried.In addition, keeping holding multiple desiccant can be prepared
In the case where device 31, another desiccant filled with new desiccant 2 can be prepared in advance and keep container 31, from drying
After taking-up storage has the desiccant of the desiccant 2 got wet to keep container 31 in tower 1, another desiccant is kept into container immediately
31 modes for being placed in drying tower 1 are operated.
In addition, using present embodiment 6 desiccant keep container 31 gas-drying apparatus 100 also with above embodiment
1 to embodiment 5 similarly without heater structure, thus even if can also make to revolve in the case where being set to explosion-proof specified region
Rotating motor 6 safely works, and this point is from need not say.
More than, to using hydrogen to be illustrated as the case where cooling gas, but carrying out the gas of other types
The case where in the case where dehumidifying, could be used that gas-drying apparatus of the invention, being dehumidified in the environment of needing to pay attention to fire prevention
Under can play a role.
In addition, each embodiment can be freely combined within the scope of the invention by the present invention, or each embodiment is fitted
When deformation, omit.
Claims (8)
1. a kind of gas-drying apparatus of rotating electric machine characterized by comprising
Drying tower, the drying tower imports the hydrogen recycled inside rotating electric machine, and makes the water in desiccant adsorbed hydrogen
Point；
Funnelform desiccant maintaining part, the desiccant maintaining part are configured at the inside of the drying tower, and to the drying
Agent is kept；
Valve is put into, the investment valve is set to the top of the drying tower, and the desiccant after drying is put into the drying
Agent maintaining part；
Dump valve, the dump valve are set to the lower part of the drying tower, and the desiccant after moisture absorption is expelled to outside；With
And
Inert gas bottle, the inert gas bottle import inert gas from inert gas supply pipe via inert gas supply valve
In the drying tower, and the hydrogen in the drying tower is purged,
The dump valve is after purging the hydrogen in the drying tower by the inert gas bottle, after moisture absorption
The desiccant is discharged to outside, in addition, the desiccant maintaining part is formed by the component with aeration.
2. the gas-drying apparatus of rotating electric machine as described in claim 1, which is characterized in that
The desiccant maintaining part is formed by stamped metal.
3. the gas-drying apparatus of rotating electric machine as described in claim 1, which is characterized in that
The desiccant maintaining part is formed by wire mesh.
4. the gas-drying apparatus of rotating electric machine as described in claim 1, which is characterized in that
The desiccant maintaining part is formed by the component for being laminated with the double-layer structure of wire mesh on the inside of stamped metal.
5. the gas-drying apparatus of rotating electric machine according to any one of claims 1 to 4, which is characterized in that
Including be configured at the desiccant maintaining part inside, empty container with aeration, the cavity container has
Lower section side cone form outstanding downward, and kept with the cone form of the empty container and the desiccant
The constant mode of the distance between the inner wall in portion is held in the inside of the drying tower, in the empty container and the desiccant
Accumulation has the certain thickness desiccant between maintaining part.
6. the gas-drying apparatus of rotating electric machine as claimed in claim 5, which is characterized in that
The upper surface part of the cavity container is formed with the center mode protrusion higher than peripheral part, in the upper surface part
Centre, the desiccant put into from top flows to around the empty container along the upper surface part, to be accommodated in described
The inside of desiccant maintaining part.
7. such as the gas-drying apparatus of rotating electric machine described in any one of claims 1 to 6, which is characterized in that
Hydrogen inlet pipe including connecting and importing hydrogen the inside of the drying tower with the lower part of the drying tower, it is described
The installation condition of hydrogen inlet pipe is adjusted to, and makes to imported into the direction of the hydrogen stream of the drying tower and columnar described dry
The circumferential direction of the inner wall of dry tower is identical.
8. a kind of gas-drying apparatus of rotating electric machine characterized by comprising
Drying tower, the drying tower imports the hydrogen recycled in the inside of rotating electric machine, and makes in desiccant adsorbed hydrogen
Moisture；
Cover, the cover can openedly and closedly be set to the top of the drying tower；
Desiccant with handles keeps container, and the desiccant holding container is configured at the inside of the drying tower, and to described
Desiccant is kept；And
Inert gas bottle, the inert gas bottle import inert gas from inert gas supply pipe via inert gas supply valve
In the drying tower, and the hydrogen in the drying tower is purged,
The desiccant can take out from the cover on the top of the drying tower, being put into keeps container by with aeration
Component is formed, and after being purged by the inert gas bottle to the hydrogen in the drying tower, the desiccant is protected
Container is held to take out, be put into.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2015/066910 WO2016199274A1 (en) | 2015-06-11 | 2015-06-11 | Gas dryer for rotating electric machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107615626A CN107615626A (en) | 2018-01-19 |
| CN107615626B true CN107615626B (en) | 2019-08-23 |
Family
ID=57504859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580080668.4A Active CN107615626B (en) | 2015-06-11 | 2015-06-11 | The gas-drying apparatus of rotating electric machine |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20180117527A1 (en) |
| EP (1) | EP3309936A4 (en) |
| JP (1) | JP6309167B2 (en) |
| CN (1) | CN107615626B (en) |
| WO (1) | WO2016199274A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102008926B1 (en) * | 2017-10-11 | 2019-10-21 | 한국가스공사 | Air dryer system having take-out and supply device of filler and method for taking filler out and supplying filler |
| US11114945B2 (en) | 2019-08-22 | 2021-09-07 | Cypress Semiconductor Corporation | Secondary-controlled active clamp implementation for improved efficiency |
| WO2022137451A1 (en) * | 2020-12-24 | 2022-06-30 | 三菱電機株式会社 | Gas drying system and gas dryer |
| CN113198300B (en) * | 2021-05-06 | 2022-02-11 | 浙江瑞鸿机电设备有限公司 | Compressed air drying system and using method thereof |
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| US4963166A (en) * | 1990-01-02 | 1990-10-16 | Hoyt Douglas C | Vapor purification apparatus |
| DE19606414A1 (en) * | 1995-02-22 | 1996-08-29 | Roderich Mettner | Active sorbent reactor to purify flue gas |
| CN2669860Y (en) * | 2003-09-27 | 2005-01-12 | 海尔集团公司 | Air freshener |
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| CN203545733U (en) * | 2013-09-22 | 2014-04-16 | 洛阳鼎力环保科技有限公司 | Water purification basin for rapidly purifying running water |
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|---|---|---|---|---|
| DE850741C (en) * | 1949-01-21 | 1952-09-29 | Jansen Gmbh Th | Device and method for gas cleaning by means of activated carbon |
| US3209917A (en) * | 1964-12-21 | 1965-10-05 | Walker Mfg Co | Filter cartridge |
| DE3139369C2 (en) * | 1981-10-03 | 1985-11-21 | Rekuperator KG Dr.-Ing. Schack & Co, 4000 Düsseldorf | Adsorption filter with desorption device |
| JPS6066646A (en) * | 1983-09-22 | 1985-04-16 | Toshiba Corp | Hydrogen gas drying device of rotary electric machine |
| US5123277A (en) * | 1990-06-04 | 1992-06-23 | Westinghouse Electric Corp. | Apparatus and method for analyzing gas dryer performance |
| DE4107983C2 (en) * | 1991-03-13 | 1994-08-11 | Kernforschungsz Karlsruhe | Reusable sorption filter system for cleaning gases, especially exhaust gases from incineration plants |
| JPH08331808A (en) * | 1995-05-31 | 1996-12-13 | Toshiba Corp | Hydrogen gas drying device for hydrogen-cooled rotary machine |
| JP2000209812A (en) * | 1999-01-18 | 2000-07-28 | Hitachi Ltd | Hydrogen gas substitution apparatus for cooling rotary electric machine |
| NZ550038A (en) * | 2004-03-19 | 2010-10-29 | Illinois Tool Works | Disposable cartridge air/gas dryer |
| FR2977807B1 (en) * | 2011-07-13 | 2015-04-03 | Verdesis France | DEVICE FOR ADSORPTING COMPOUNDS FROM A GAS SUPPLY |
| JP5943719B2 (en) * | 2012-06-06 | 2016-07-05 | 三菱電機株式会社 | Gas dryer for electric machine |
| US9975086B2 (en) * | 2014-11-06 | 2018-05-22 | Environment One Corporation | Methods and systems for drying hydrogen gas used in hydrogen-cooled generators |
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2015
- 2015-06-11 EP EP15894959.4A patent/EP3309936A4/en active Pending
- 2015-06-11 WO PCT/JP2015/066910 patent/WO2016199274A1/en active Application Filing
- 2015-06-11 CN CN201580080668.4A patent/CN107615626B/en active Active
- 2015-06-11 JP JP2017523051A patent/JP6309167B2/en active Active
- 2015-06-11 US US15/566,765 patent/US20180117527A1/en not_active Abandoned
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4963166A (en) * | 1990-01-02 | 1990-10-16 | Hoyt Douglas C | Vapor purification apparatus |
| DE19606414A1 (en) * | 1995-02-22 | 1996-08-29 | Roderich Mettner | Active sorbent reactor to purify flue gas |
| CN2669860Y (en) * | 2003-09-27 | 2005-01-12 | 海尔集团公司 | Air freshener |
| CN2744394Y (en) * | 2004-11-30 | 2005-12-07 | 山东电力集团公司超高压输变电分公司 | Purifier for gas supplying device of switch |
| CN203545733U (en) * | 2013-09-22 | 2014-04-16 | 洛阳鼎力环保科技有限公司 | Water purification basin for rapidly purifying running water |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3309936A4 (en) | 2019-01-09 |
| WO2016199274A1 (en) | 2016-12-15 |
| EP3309936A1 (en) | 2018-04-18 |
| JPWO2016199274A1 (en) | 2017-09-07 |
| US20180117527A1 (en) | 2018-05-03 |
| CN107615626A (en) | 2018-01-19 |
| JP6309167B2 (en) | 2018-04-11 |
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